JBL turns it up anywhere. The all-new JBL Boombox 4 is bigger, bolder, and better than ever, delivering powerful JBL Pro Sound that stays loud and clear with deep, thumping bass. AI Sound Boost analyzes music in real time and adjusts the sound to deliver more power with less distortion, even at maximum volume. It packs two larger woofers, two tweeters, and three passive radiators, so every track hits harder and sounds cleaner.

For precise control over the listening experience, switch between Deep Bass and Punchy Bass Boost settings to match the mood. The classic Boombox design gets a fresh upgrade-larger yet lighter, making it easy to take the party anywhere, from the beach and the block to the backyard. With an IP68 waterproof and dustproof rating, changing weather is never a dealbreaker. Plus, up to 34 hours of playtime with Playtime Boost keeps the music going for longer. With the JBL Boombox 4, the mood and energy travel everywhere.

The JBL Boombox 4 brings powerful sound wherever the adventure leads. It's portable, waterproof, and dustproof, so weather and spills are less of a concern. Enjoy massive JBL Pro Sound with Bass Boost settings that let listeners choose between deep or punchy bass, depending on the vibe. The Boombox 4 delivers bigger sound than ever before in a lighter design for easier portability, with up to 34 hours of playtime on a single charge.

Features

UNBEATABLE JBL PRO SOUND WITH AI SOUND BOOST

Experience massive sound with deep, punchy bass. The redesigned JBL Boombox 4 packs two larger woofers, two tweeters, and three passive radiators, so every track hits harder and sounds cleaner. With AI Sound Boost, this smart technology analyzes music in real time and adjusts the sound to deliver more power with less distortion, even at maximum volume.

UP TO 34 HOURS OF PLAYTIME

Keep the vibe alive from party to party for up to 28 hours on a single charge. Forgot to charge the speaker before the next event? No problem. JBL Playtime Boost adds up to 6 extra hours of music to keep the energy going.

WATERPROOF AND DUSTPROOF

The JBL Boombox 4 features an IP68 waterproof and dustproof rating, helping it handle changing weather conditions, accidental spills, and everyday adventures.

MULTI-SPEAKER CONNECTION BY AURACAST™

Share the music with the whole crew. With Auracast™, effortlessly stereo-pair two Boombox 4 speakers for a wider soundstage, or connect multiple Auracast™-enabled JBL speakers to cover more ground with the same playlist.

BIGGER AND LOUDER, BUT LIGHTER

The JBL Boombox 4 delivers bigger, better sound than ever, with one key advantage: a redesigned, lighter construction. Enjoy easier portability and bring powerful sound to any location.

RECYCLED PLASTIC AND FABRIC, PLUS FSC-CERTIFIED PAPER PACKAGING

The JBL Boombox 4 incorporates post-consumer recycled plastic and recycled fabric for the speaker grille. The packaging also uses FSC-certified paper printed with soy ink.

TWO BASS BOOST SETTINGS TO MATCH THE MOOD

When it comes to bass, flexibility makes all the difference. The JBL Boombox 4 delivers the classic JBL signature bass. For deeper bass, press the Bass Boost button on the top panel. The JBL Horn mark glows orange to indicate Deep Bass mode, where the two woofers and three passive radiators deliver a deeper, more powerful response.

For tighter, more energetic bass, press the button again. The Horn mark turns white to indicate Punchy Bass mode. Whatever the mood, the JBL Boombox 4 offers a bass setting to match.

LOSSLESS AUDIO PLAYBACK

Hear every detail by connecting a laptop or another compatible audio device to the Boombox 4's USB-C port* for lossless audio playback. This feature is ideal for music enthusiasts who want greater detail from their listening experience. Ensure the source provides compatible lossless audio.

*Requires compatible lossless audio content from supported apps or services.

REPLACEABLE BATTERY**

Extend the speaker's lifespan by replacing the rechargeable battery in three simple steps. The JBL Boombox 4 can then return to full power for more listening time.

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